RE: [SI-LIST] : ferrite bead model

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From: Roehrner Wolfgang (Wolfgang.Roehrner@at.siemens.de)
Date: Fri Oct 20 2000 - 05:18:37 PDT


Joan,
 
i requested models from MURATA. What they sent were Strucutres like this:
 
           |-------------C1----------------|
           | |
-----------|-----R1-----|----------R2------|-------------R3------|----------
----R4-----------------
           | | | |
           |-----L1-----|-----------L2-----|---------L3----------|
 
 
But i don`t know how to compute the R,L,C Values from a measurement (like
they did).
I got a list here with the Values for some MURATA Ferrite Beads. Try to find
ferrite bead matching to your Problem, perhaps i got the values:
 
http://www.murata.com/murata/weblibrary.nsf/a4defd247cf5a0ae852567c90057f586
/23af0c26ce733a1e852569600049972e!OpenDocument
(or ask MURATA directly)
 
regards
Wolgang

-----Original Message-----
From: Joan Vicent Castell Balaguer [mailto:Castell@tsc.upc.es]
Sent: Freitag, 20. Oktober 2000 14:07
To: si-list@silab.eng.sun.com
Subject: [SI-LIST] : ferrite bead model

Hi,
I don't know how to model a ferrite bead (resistence variing whith
frequency) in PSPICE (an old MSDOS version) to do a filter response
frequency sweep. Can anybody helpme?
  
  

O O O Joan Vicent Castell Balaguer
O O O UPC University (Catalonia)
O O O Tel: 93.896.77.75
U P C e-mail: castell@tsc.upc.es

Subjects: Signal Transmision & Signal Integrity.
            Electromagnetic Compatibility.
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